Canadian born archaeologist Mark Graham unearths a remarkable discovery while at a dig in the mountains of Zimbabwe - pterodactyl remains and giant human bones buried together. Speculation leads to the possible existence of a mythical race known as 'Nephilim', a pre-flood people alleged to have descended from both gods and men.But skepticism and sabotage delay Mark and his team as the dig site is compromised, putting their discovery - as well as his...